Boeing soars, Juniper Networks zapped, AMD's good guidance

Boeing (BA): Shares are soaring in early trading. One of the Dow’s top stocks last year beat on earnings, and its full year guidance topped estimates as well.

Juniper Networks (JNPR): Shares are dropping in midday trading. The networking equipment maker reported a slight beat on earnings, but offered current quarter revenue guidance that missed the mark.

AMD (AMD): Shares are getting a nice boost in early trading. Chipmakers are back in the groove again with AMD beating on earnings and revenue, and also offering a current quarter sales forecast that easily topped street estimates.

For more on today’s big stock movers check out the Final Round, live at 3:55 p.m. Eastern, right here on Yahoo Finance.